| Brand | 
ASUS | 
| Model | 
 PRIME B650M-A WIFI II CSM (DDR5) 
 | 
| CPU Support | 
 AMD Socket AM5 for AMD Ryzen™ 7000 Series/ 8000 Series Desktop Processors* 
* Refer to www.asus.com for CPU support list. 
 | 
| CPU Brand | 
 AMD 
 | 
| Socket | 
 AM5 
 | 
| Chipset | 
 AMD B650 
 | 
| Memory Support | 
 4 x DIMM, Max. 192GB, DDR5 7600+(OC)/7200(OC)/7000(OC)/6800(OC)/6600(OC)/6400(OC)/6200(OC)/6000(OC)/5800(OC)/5600(OC)/ 5400(OC)/ 5200/ 5000/ 4800, ECC and Non-ECC, Un-buffered Memory* Dual Channel Memory Architecture Supports AMD Extended Profiles for Overclocking (EXPO™) OptiMem II 
* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support under the Support tab or visit https://www.asus.com/support/. * Non-ECC, Un-buffered DDR5 Memory supports On-Die ECC function. 
 | 
| Maximum Memory Bus | 
 7600 
 | 
| Graphics | 
 1 x DisplayPort** 1 x VGA port 1 x HDMI® port*** 
* Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications. ** Supports max. 8K@60Hz as specified in DisplayPort 1.4. *** Supports 4K@60Hz as specified in HDMI® 2.1. 
 | 
| Multi Graphic Support | 
 N/A 
 | 
| Audio | 
 Realtek 7.1 Surround Sound High Definition Audio CODEC* - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback 
Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers 
* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. 
 | 
| Expansion Slots | 
 AMD Ryzen™ 7000 Series Desktop Processors* 1 x PCIe 4.0 x16 slot (supports x16 mode)   
AMD Ryzen™ 8000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x8/x4 mode)** 
AMD B650 Chipset 2 x PCIe 4.0 x16 slots (support x1 mode) 
* Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/). ** Specifications vary by CPU types. - To ensure compatibility of the device installed, please refer to https://www.asus.com/support/ for the list of supported peripherals. 
 | 
| Maximum PCIe Version | 
 PCIe 4.0 
 | 
| Storage | 
 Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports* AMD Ryzen™ 7000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode) 
AMD Ryzen™ 8000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) 
AMD B650 Chipset M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) 4 x SATA 6Gb/s ports 
* AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10. 
 | 
| M.2 Storage Type Support | 
 NVMe 
 | 
| M.2 Slot | 
 2 
 | 
| USB | 
 Rear USB (Total 8 ports) 2 x USB 3.2 Gen 2 ports (2 x Type-A) 2 x USB 3.2 Gen 1 ports (2 x Type-A) 4 x USB 2.0 ports (4 x Type-A) 
Front USB (Total 7 ports) 1 x USB 3.2 Gen 1 connector (supports USB Type-C®) 1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports 
 | 
| Internal I/O Connectors | 
 Fan and Cooling related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 3 x 4-pin Chassis Fan headers 
Power related 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector 1 x 4-pin +12V Power connector 
Storage related 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports 
USB 1 x USB 3.2 Gen 1 connector (supports USB Type-C® ) 1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports 
Miscellaneous 3 x Addressable Gen 2 headers 1 x Aura RGB header 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x S/PDIF Out header 1 x Speaker header 1 x SPI TPM header (14-1pin) 1 x 10-1 pin System Panel header 
 | 
| Back Panel Connectors | 
 2 x USB 3.2 Gen 2 ports (2 x Type-A) 2 x USB 3.2 Gen 1 ports (2 x Type-A) 4 x USB 2.0 ports (4 x Type-A) 1 x DisplayPort 1 x VGA port 1 x HDMI® port 1 x Wi-Fi Module 1 x Realtek 2.5Gb Ethernet port 3 x Audio jacks 1 x BIOS FlashBack™ button 1 x PS/2 Keyboard/Mouse combo port 
 | 
| LAN | 
 1 x Realtek 2.5Gb Ethernet 
 | 
| Wireless Data Network | 
 Wi-Fi 6 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Supports 2.4/5GHz frequency band Bluetooth® v5.2 
* The Bluetooth version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications. 
 | 
| Form Factor | 
 Micro ATX 
 | 
| H/W Monitoring | 
 N/A 
 | 
| BIOS | 
 256 Mb Flash ROM, UEFI AMI BIOS 
 | 
| Special Features | 
 ASUS 5X PROTECTION III - DIGI+ VRM - LANGuard - Overvoltage Protection - SafeSlot Core+ - Stainless-Steel Back I/O 
ASUS Q-Design - Q-DIMM - Q-LED core - Q-Slot 
ASUS Thermal Solution - VRM heatsink design 
ASUS EZ DIY - BIOS FlashBack™ button - BIOS FlashBack™ LED 
Aura Sync - Aura RGB header - Addressable Gen 2 headers 
 | 
| Software Features | 
 ASUS Exclusive Software Armoury Crate - Aura Creator - Aura Sync - Fan Xpert 2+ - Power Saving AI Suite 3 - TurboV EVO - DIGI+ VRM - PC Cleaner ASUS CPU-Z MyASUS IT Management software supported - ASUS Control Center Express(ACCE) Norton Anti-virus software (Free Trial version) WinRAR 
UEFI BIOS ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode 
 | 
| Operating System Support | 
 Windows 11, Windows 10 64-bit 
 | 
| Package Contents | 
 2 x SATA 6Gb/s cables 1 x ASUS Wi-Fi moving antennas 1 x I/O Shield 1 x Screw package for M.2 SSD 1 x ACC Express Activation Key Card 1 x User guide 
 | 
| Package Dimension | 
(W x D x H) 27 x 27.5 x 6.5 cm | 
| Gross Weight | 
1.41 KG | 
| Volume | 
4826.25 cm3 | 
| Warranty | 
3Y |